JP7010940B2 - 改質のための触媒管 - Google Patents
改質のための触媒管 Download PDFInfo
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- JP7010940B2 JP7010940B2 JP2019521728A JP2019521728A JP7010940B2 JP 7010940 B2 JP7010940 B2 JP 7010940B2 JP 2019521728 A JP2019521728 A JP 2019521728A JP 2019521728 A JP2019521728 A JP 2019521728A JP 7010940 B2 JP7010940 B2 JP 7010940B2
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- C01B3/384—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts the catalyst being continuously externally heated
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Description
- プロセスガスが前記触媒管に入るための触媒管入口、及びプロセスガスが前記触媒管を出るための触媒管出口を備えており、前記触媒管入口及び前記触媒管出口は前記触媒管の対向する端部に設けられており、
- 反応外管(1, 11) と、
- 前記反応外管(1, 11) の内側に同軸に延びている内管(5, 15) と、
- 前記反応外管(1, 11) の内壁と前記内管(5, 15) の外壁との間に設けられている境界部(3, 13) と、
- プロセスガスを触媒変換するための第1の環状チャネルであって、前記反応外管(1, 11) の内壁及び前記境界部(3, 13) の外壁によって画定されており、触媒が充填される前記第1の環状チャネルと、
- プロセスガスが前記第1の環状チャネルを通って流れるプロセスガスと逆流又は並流で流れるための第2の環状チャネルであって、前記境界部(3, 13) の内壁及び前記内管(5, 15) の外壁によって画定されている前記第2の環状チャネルと、
- プロセスガスが前記触媒管の入口端部で前記第2の環状チャネル及び前記内管(5, 15) から前記反応外管(1, 11) を出るのを防ぐために前記触媒管の入口端部に設けられている入口障壁(4, 14) と、
- プロセスガスが前記第2の環状チャネル及び前記内管(5, 15) の一方から前記反応外管(1, 11) を出ることを可能にしながら、プロセスガスが前記第1の環状チャネルと前記第2の環状チャネル及び前記内管(5, 15) の他方とから前記反応外管(1, 11) を出るのを防ぐために、前記触媒管の出口端部に設けられている出口障壁(6, 16) と
を更に備えており、
前記内管、前記第1の環状チャネル及び前記第2の環状チャネルは、前記触媒管の入口側と前記触媒管の出口側とに開口部を夫々有しており、
前記触媒管入口は、前記触媒管の入口端部で前記第1の環状チャネルの開口部と流体連結されており、前記触媒管の出口端部における前記第1の環状チャネルの開口部は、前記触媒管の出口端部における前記第2の環状チャネルの開口部又は前記触媒管の出口端部における前記内管の開口部と流体連結されており、前記触媒管の入口端部における前記第2の環状チャネルの開口部は、前記触媒管の入口端部における前記内管(5, 15) の開口部と流体連結されており、前記触媒管の出口端部における前記内管(5, 15) の開口部又は前記触媒管の出口端部における前記第2の環状チャネルの開口部は、前記触媒管出口と流体連結されていることを特徴とする触媒管を提供することにより達成された。
Claims (19)
- 工業炉におけるプロセスガスの再生触媒変換のための触媒管であって、
- プロセスガスが前記触媒管に入るための触媒管入口、及びプロセスガスが前記触媒管を出るための触媒管出口を備えており、前記触媒管入口及び前記触媒管出口は前記触媒管の対向する端部に設けられており、
- 反応外管と、
- 前記反応外管の内側に同軸に延びている内管と、
- 前記反応外管の内壁と前記内管の外壁との間に設けられている境界部と、
- プロセスガスを触媒変換するための第1の環状チャネルであって、前記反応外管の内壁及び前記境界部の外壁によって画定されており、触媒が充填される前記第1の環状チャネルと、
- プロセスガスが前記第1の環状チャネルを通って流れるプロセスガスと逆流又は並流で流れるための第2の環状チャネルであって、前記境界部の内壁及び前記内管の外壁によって画定されている前記第2の環状チャネルと、
- プロセスガスが前記触媒管の入口端部で前記第2の環状チャネル及び前記内管から前記反応外管を出るのを防ぐために前記触媒管の入口端部に設けられている入口障壁と、
- プロセスガスが前記第2の環状チャネル及び前記内管の一方から前記反応外管を出ることを可能にしながら、プロセスガスが前記第1の環状チャネルと前記第2の環状チャネル及び前記内管の他方とから前記反応外管を出るのを防ぐために、前記触媒管の出口端部に設けられている出口障壁と
を更に備えており、
前記内管、前記第1の環状チャネル及び前記第2の環状チャネルは、前記触媒管の入口側と前記触媒管の出口側とに開口部を夫々有しており、
前記触媒管入口は、前記触媒管の入口端部で前記第1の環状チャネルの開口部と流体連結されており、前記触媒管の出口端部における前記第1の環状チャネルの開口部は、前記触媒管の出口端部における前記第2の環状チャネルの開口部又は前記触媒管の出口端部における前記内管の開口部と流体連結されており、前記触媒管の入口端部における前記第2の環状チャネルの開口部は、前記触媒管の入口端部における前記内管の開口部と流体連結されており、前記触媒管の出口端部における前記内管の開口部又は前記触媒管の出口端部における前記第2の環状チャネルの開口部は、前記触媒管出口と流体連結されており、
前記触媒管は、前記第1の環状チャネル及び前記第2の環状チャネルによって設けられている2つの環状チャネル並びに前記内管の内部によって設けられている第3のチャネルの3つのチャネルを有するように構成されていることを特徴とする触媒管。 - 前記出口障壁は、プロセスガスが前記内管から前記反応外管を出ることを可能にしながら、プロセスガスが前記第1の環状チャネル及び前記第2の環状チャネルから前記反応外管を出るのを防ぐために前記触媒管の出口端部に設けられた出口障壁であり、
前記触媒管入口は、前記触媒管の入口端部で前記第1の環状チャネルの開口部と流体連結されており、前記触媒管の出口端部における前記第1の環状チャネルの開口部は、前記触媒管の出口端部における前記第2の環状チャネルの開口部と流体連結されており、前記触媒管の入口端部における前記第2の環状チャネルの開口部は、前記触媒管の入口端部における前記内管の開口部と流体連結されており、前記触媒管の出口端部における前記内管の開口部は、前記触媒管出口に流体連結されていることを特徴とする請求項1に記載の触媒管。 - 前記出口障壁は、プロセスガスが前記第2の環状チャネルから前記反応外管を出ることを可能にしながら、プロセスガスが前記第1の環状チャネル及び前記内管から前記反応外管を出るのを防ぐために、前記触媒管の出口端部に設けられた出口障壁であり、
前記触媒管入口は、前記触媒管の入口端部で前記第1の環状チャネルの開口部と流体連結されており、前記触媒管の出口端部における前記第1の環状チャネルの開口部は、前記触媒管の出口端部における前記内管の開口部と流体連結されており、前記触媒管の入口端部における前記第2の環状チャネルの開口部は、前記触媒管の入口端部における前記内管の開口部と流体連結されており、前記触媒管の出口端部における前記第2の環状チャネルの開口部は、前記触媒管出口に流体連結されていることを特徴とする請求項1に記載の触媒管。 - 前記出口障壁は、前記反応外管の内壁にその側部で連結されている円形面を有しており、前記円形面は、プロセスガスが前記内管を出ることを可能にするために前記円形面の中心に空所を有していることを特徴とする請求項1~3のいずれか1つに記載の触媒管。
- 前記出口障壁は、円錐状体、円筒状体又は円錐台形状体を有していることを特徴とする請求項1~4のいずれか1つに記載の触媒管。
- 前記内管は前記出口障壁の表面に取り付けられているか、又は前記出口障壁を通って延びていることを特徴とする請求項1~5のいずれか1つに記載の触媒管。
- 前記反応外管は反応器の出口端部に先細の端部を有していることを特徴とする請求項1~6のいずれか1つに記載の触媒管。
- 前記境界部は、前記触媒管の出口端部に開いた端部を有しており、前記触媒管の入口端部に閉じた端部を有しており、閉じた端部は前記入口障壁によって閉じられており、前記入口障壁は、好ましくは反応器の入口端部で前記境界部に固定又は溶接されていることを特徴とする請求項1~7のいずれか1つに記載の触媒管。
- 前記第1の環状チャネルは、波形板、フィン付要素及び発泡体の一又は複数を含む構造体を有しており、前記触媒は前記構造体上に設けられていることを特徴とする請求項1~8のいずれか1つに記載の触媒管。
- 前記境界部は高熱伝導性材料から形成されており、前記高熱伝導性材料は、請求項7に記載の構造に使用されている材料と同一の材料であってもよいことを特徴とする請求項1~9のいずれか1つに記載の触媒管。
- 前記境界部は、互いに積み重ねられた複数の管状装置の連続的な組立体を有しており、前記管状装置は、円錐形、円筒形又は円錐台形であってもよいことを特徴とする請求項1~10のいずれか1つに記載の触媒管。
- 前記内管は、熱伝導率が800 ℃で10 W/(m.K)未満である低熱伝導性材料から形成されていることを特徴とする請求項1~11のいずれか1つに記載の触媒管。
- 前記内管は、円管、正方形管又は矩形管であることを特徴とする請求項1~12のいずれか1つに記載の触媒管。
- 炉室と少なくとも1つの請求項1に記載の触媒管とを備えた多管式反応器であって、
前記少なくとも1つの触媒管の触媒管入口及び触媒管出口は前記炉室の反対側に設けられていることを特徴とする多管式反応器。 - 前記炉室は、前記炉室内に含まれている複数列の触媒管を有しており、
燃焼器が、各管列の間に列をなして設けられていることを特徴とする請求項14に記載の多管式反応器。 - 水蒸気改質器であることを特徴とする請求項14又は15に記載の多管式反応器。
- 請求項1~13のいずれか1つに記載の触媒管、又は請求項14~16のいずれか1つに記載の反応器で触媒変換反応を行うことを特徴とする方法。
- 改質器を改良するために請求項1~13のいずれか1つに記載の触媒管を使用する方法であって、
前記改質器は、炉室及び少なくとも1つの触媒管を備えており、前記少なくとも1つの触媒管の触媒管入口及び触媒管出口は前記炉室の反対側に設けられていることを特徴とする方法。 - 前記内管、前記境界部、又は前記内管及び前記境界部の両方を既存の改質器の改質管内の既存の触媒ホルダに取り付けることにより、改良することを特徴とする請求項18に記載の方法。
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